Accurate and Precise Measurements: JSZYO stair tread measuring tool features a sliding rod design, ensuring precise and stable measurements. The clear and precise ruler markings allow stair tread installers to accurately measure both the tread and angle Durable and Reliable Construction: Made from high-strength aluminum alloy material, JSZYO stair gauge tool is impact-resistant and resistant to chemical corrosion. With a thickness of 0.16 inches (4mm), it is built to withstand heavy use without bending or damage. The CNC anodized surface provides excellent wear resistance and rust prevention, while the plated markings ensure precision and clarity. Versatile and Adjustable: JSZYO stair tread template tool can be used to measure stair treads, risers, and shelves of varying lengths. It can be easily adjusted to accommodate any angle and length required for your specific project.